| /* go-send-nb-big.c -- nonblocking send of something big on a channel. |
| |
| Copyright 2009 The Go Authors. All rights reserved. |
| Use of this source code is governed by a BSD-style |
| license that can be found in the LICENSE file. */ |
| |
| #include <stdint.h> |
| |
| #include "channel.h" |
| |
| _Bool |
| __go_send_nonblocking_big (struct __go_channel* channel, const void *val) |
| { |
| size_t alloc_size; |
| size_t offset; |
| |
| alloc_size = ((channel->element_size + sizeof (uint64_t) - 1) |
| / sizeof (uint64_t)); |
| |
| int data = __go_send_nonblocking_acquire (channel); |
| if (data != SEND_NONBLOCKING_ACQUIRE_SPACE) |
| return data == SEND_NONBLOCKING_ACQUIRE_CLOSED; |
| |
| offset = channel->next_store * alloc_size; |
| __builtin_memcpy (&channel->data[offset], val, channel->element_size); |
| |
| __go_send_release (channel); |
| |
| return 1; |
| } |